diff --git a/platform/sky/contiki-conf.h b/platform/sky/contiki-conf.h
index baf2ce7cf..fb4af671d 100644
--- a/platform/sky/contiki-conf.h
+++ b/platform/sky/contiki-conf.h
@@ -16,8 +16,7 @@
 #endif /* NETSTACK_CONF_MAC */
 
 #ifndef NETSTACK_CONF_RDC
-//#define NETSTACK_CONF_RDC     contikimac_driver
-#define NETSTACK_CONF_RDC     nullrdc_driver
+#define NETSTACK_CONF_RDC     contikimac_driver
 #endif /* NETSTACK_CONF_RDC */
 
 #ifndef NETSTACK_CONF_RDC_CHANNEL_CHECK_RATE